________about wild animals that they decided to make a trip to North Africa for further research. [ ]

— Did you telephone Mr. Brown?— Yes, he ____ back before tomorrow morning.[ ]

下列文学常识表述有误的一项是（ ）

My cousin was admitted to Beijing University last autumn It is 2014 ______ she graduates [ ]

The most energetic and important festivals are the ones that ____ the end of winter and to the coming of spring. [ ]